Data Representation Quiz

What is the primary form of data representation in computers? A) Decimal B) Hexadecimal C) Binary D) ASCII Answer: C) Binary

• Decimal

• Hexadecimal

• Binary

• ASCII

Which of these can be represented by a binary pattern? A) Numbers and Text B) Sound C) Graphics D) All of the above Answer: D) All of the above

• Numbers and Text

• Sound

• Graphics

• All of the above

How are unsigned integers represented in computers? A) Binary B) Decimal C) Hexadecimal D) ASCII Answer: A) Binary

• Binary

• Decimal

• Hexadecimal

• ASCII

What is the range of 8-bit binary numbers? A) 0 to 255 B) -128 to +127 C) 0 to 127 D) Both A and B Answer: D) Both A and B

• 0 to 255

• -128 to +127

• 0 to 127

• Both A and B

What is an overflow in the context of binary numbers? A) Too many bits for a given value B) Too few bits for a given value C) Incorrect binary conversion D) A logical error Answer: B) Too few bits for a given value

• Too many bits for a given value

• Too few bits for a given value

• Incorrect binary conversion

• A logical error

Why is hexadecimal notation used in computing? A) It's easier to read B) Binary conversion is simpler C) More efficient for storage D) Less error-prone Answer: B) Binary conversion is simpler

• It's easier to read

• Binary conversion is simpler

• More efficient for storage

• Less error-prone

How are characters encoded in computers? A) Binary B) ASCII C) Unicode D) Both B and C Answer: D) Both B and C

• Binary

• ASCII

• Unicode

• Both B and C

What determines the resolution of a bitmap image? A) Pixels B) Color depth C) File size D) Aspect ratio Answer: A) Pixels

• Pixels

• Color depth

• File size

• Aspect ratio

What is an important factor in the binary representation of sound? A) Amplitude B) Frequency C) Bit depth D) All of the above Answer: D) All of the above

• Amplitude

• Frequency

• Bit depth

• All of the above

What is the smallest unit of data storage? A) Bit B) Byte C) Nibble D) Kibibyte Answer: A) Bit

• Bit

• Byte

• Nibble

• Kibibyte